HerBattery
The cycle awareness app built for men. No guessing.
HerBattery launched on June 11, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches. The site was not reachable when checked in September 2026.
What it does
Most period apps are built for women. HerBattery is built for the man who wants to understand her. A battery on your homescreen shows exactly where she is in her cycle — her energy, her mood, her desire. 7 phases, color-coded, always one glance away. 100% offline. No account. No cloud. Your data never leaves the phone. 32 languages. Less than a coffee a year (€9.99), with a 7-day free trial — no credit card needed. She's not random. You just didn't have the data.
Does a similar job
all alternatives →- IMI made a privacy friendly and simple app to track my menstruation2024 · play.google.com · ▲732
Hey HN, after the app I actually used to track my period wanted me to log in and save my data in the cloud, I decided to write my own. Most apps in this area are based on a subscription model and display far too much information anyway. For me, a simple calendar is enough where I can add a few notes if necessary. So that is the result of my work - a simple design and the data is only saved on the smartphone.
LadyLog - A period tracker2024 · play.google.com · ▲89Easy to use period tracking app that respects your privacy
- IBI built a privacy-first period tracker but it seems nobody cares2025 · ▲10
There’s something quietly unsettling about how normal it's become to hand over our most personal data to apps that barely deserve our trust. My wife once showed me a notification she got from her period tracking app. At first, it seemed like a simple reminder. But then came the ads. Not long after, she started getting eerily specific suggestions on other platforms. Things she hadn’t searched for. Things that felt too close. Somewhere, her cycle had been turned into a data point. That bothered me more than I can explain. These apps promise helpful insights. But in return, they take so much.…
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